<template>
  <div class="cart">
    <h4>全部商品</h4>
    <div class="cart-main">
      <div class="cart-th">
        <div class="cart-th1">全部</div>
        <div class="cart-th2">商品</div>
        <div class="cart-th3">单价（元）</div>
        <div class="cart-th4">数量</div>
        <div class="cart-th5">小计（元）</div>
        <div class="cart-th6">操作</div>
      </div>
      <div class="cart-body">
        <ul
          class="cart-list"
          v-for="(cart, index) in cartInfoList"
          :key="cart.id"
        >
          <li class="cart-list-con1">
            <input type="checkbox" name="chk_list" 
            :checked ="cart.isChecked== 1" 
            @change="updateChecked(cart,$event)"
            />
          </li>
          <li class="cart-list-con2">
            <img src="./images/goods1.png" />
            <div class="item-msg">{{ cart.skuName }}</div>
          </li>
          <li class="cart-list-con3">
            <div class="item-txt">语音升级款</div>
          </li>
          <li class="cart-list-con4">
            <span class="price">{{ cart.skuPrice }}.00</span>
          </li>
          <li class="cart-list-con5">
            <a
              href="javascript:void(0)"
              class="mins"
              @click="handel('mins', -1,cart)"
              >-</a
            >
            <input
              autocomplete="off"
              type="text"
              :value="cart.skuNum"
              minnum="1"
              class="itxt"
              @change="handel('change',$event.target.value*1,cart)"
            />
            <a href="javascript:void(0)" class="plus"  @click="handel('maxs', 1,cart)">+</a>
          </li>
          <li class="cart-list-con6">
            <span class="sum">{{ cart.skuNum * cart.skuPrice }}</span>
          </li>
          <li class="cart-list-con7">
            <a @click="deleteCart(cart.skuId)" class="sindelet">删除</a>
            <br />
            <a href="#none">移到收藏</a>
          </li>
        </ul>
      </div>
    </div>
    <div class="cart-tool">
      <div class="select-all">
        <input class="chooseAll" type="checkbox"
        :checked = "ischeckAll&&cartInfoList.length>0" @change="isUpdateSelect($event)" />
        <span>全选</span>
      </div>
      <div class="option">
        <a @click="deleteAllCheckedCart">删除选中的商品</a>
        <a href="#none">移到我的关注</a>
        <a href="#none">清除下柜商品</a>
      </div>
      <div class="money-box">
        <div class="chosed">已选择 <span>0</span>件商品</div>
        <div class="sumprice">
          <em>总价（不含运费） ：</em>
          <i class="summoney">{{total}}</i>
        </div>
        <div class="sumbtn">
          <!-- <a class="sum-btn" href="###" target="_blank">结算</a> -->
          <router-link class="sum-btn" to="/trade">结算</router-link>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import parse from 'uuid/dist/parse';
import { mapGetters } from "vuex";
import {reqDeleteCartById, reqUpdateCheckedByid} from '@/api'
export default {
  name: "ShopCart",
  mounted() {
   this.getData();
  },
  computed: {
    ...mapGetters(["cartlist"]),
    cartInfoList() {
      return this.cartlist.cartInfoList || [];
    },
    total(){
      let sum = 0;
      this.cartInfoList.forEach((items) => {
        if(items.isChecked == 1){
          sum += items.skuNum*items.skuPrice;
        }
      
      });
      return  sum;
    },
    ischeckAll(){
     return this.cartInfoList.every((item) => item.isChecked == 1);
    }
  },
  methods: {
    getData(){
         this.$store.dispatch("getCartList");
    },
    //产品数量的变化
  async  handel(type,disNum,cart){
    if(cart.skuNum === 0 && type === 'mins'){
       return;
    }
        //+
        switch(type){
          case "maxs":
            disNum = 1;
            break;
          //-
          case "mins":
            disNum = cart.skuNum>1?-1 :0;
            break;
          case "change":
            if(isNaN(disNum) || disNum<1){
              disNum = 0;
            }else{
              disNum = parseInt(disNum) - cart.skuNum;
              break;
            }
        }

        try {
          await this.$store.dispatch('addOrUpdateShopCart',{
            skuId:cart.skuId,
            skuNum:disNum
          })
          this.getData();
        } catch (error) {
          
        }
    },
    //删除产品
   async deleteCart(ID){
          console.log(ID);
     let result = await  reqDeleteCartById(ID);
     console.log('删除的诗句'+result);
     if(result.code == 200){
       this.getData()
     }else{
     }
    },
    //删除所有选中的产品
    deleteAllCheckedCart(){
        this.cartInfoList.forEach((item)=>{
          if(item.isChecked == 1){
            this.deleteCart(item.skuId);
          }
        })
    },
    //修改产品的选中状态
   async updateChecked(cart,event){
      let isChecked = event.target.checked?'1':'0';
      let result = await reqUpdateCheckedByid(cart.skuId,isChecked);
      if(result.code ==200){
        this.getData();
      }else{
      }
    },
    //修改所有选中的状态
    isUpdateSelect(event){
           let isChecked = event.target.checked?'1':'0';
           console.log(isChecked);
             this.cartInfoList.forEach((item)=>{
               if(isChecked === '1'){
                   reqUpdateCheckedByid(item.skuId,'0');
                    console.log(item.skuId+'1-----'+isChecked);
               }else{
                  console.log(item.skuId+'2-----'+isChecked);
                  reqUpdateCheckedByid(item.skuId,'1');
               }
                 
             })
               this.getData();
           
    }
  },
};
</script>

<style lang="less" scoped>
.cart {
  width: 1200px;
  margin: 0 auto;

  h4 {
    margin: 9px 0;
    font-size: 14px;
    line-height: 21px;
  }

  .cart-main {
    .cart-th {
      background: #f5f5f5;
      border: 1px solid #ddd;
      padding: 10px;
      overflow: hidden;

      & > div {
        float: left;
      }

      .cart-th1 {
        width: 25%;

        input {
          vertical-align: middle;
        }

        span {
          vertical-align: middle;
        }
      }

      .cart-th2 {
        width: 25%;
      }

      .cart-th3,
      .cart-th4,
      .cart-th5,
      .cart-th6 {
        width: 12.5%;
      }
    }

    .cart-body {
      margin: 15px 0;
      border: 1px solid #ddd;

      .cart-list {
        padding: 10px;
        border-bottom: 1px solid #ddd;
        overflow: hidden;

        & > li {
          float: left;
        }

        .cart-list-con1 {
          width: 4.1667%;
        }

        .cart-list-con2 {
          width: 25%;

          img {
            width: 82px;
            height: 82px;
            float: left;
          }

          .item-msg {
            float: left;
            width: 150px;
            margin: 0 10px;
            line-height: 18px;
          }
        }

        .cart-list-con3 {
          width: 20.8333%;

          .item-txt {
            text-align: center;
          }
        }

        .cart-list-con4 {
          width: 12.5%;
        }

        .cart-list-con5 {
          width: 12.5%;

          .mins {
            border: 1px solid #ddd;
            border-right: 0;
            float: left;
            color: #666;
            width: 6px;
            text-align: center;
            padding: 8px;
          }

          input {
            border: 1px solid #ddd;
            width: 40px;
            height: 33px;
            float: left;
            text-align: center;
            font-size: 14px;
          }

          .plus {
            border: 1px solid #ddd;
            border-left: 0;
            float: left;
            color: #666;
            width: 6px;
            text-align: center;
            padding: 8px;
          }
        }

        .cart-list-con6 {
          width: 12.5%;

          .sum {
            font-size: 16px;
          }
        }

        .cart-list-con7 {
          width: 12.5%;

          a {
            color: #666;
          }
        }
      }
    }
  }

  .cart-tool {
    overflow: hidden;
    border: 1px solid #ddd;

    .select-all {
      padding: 10px;
      overflow: hidden;
      float: left;

      span {
        vertical-align: middle;
      }

      input {
        vertical-align: middle;
      }
    }

    .option {
      padding: 10px;
      overflow: hidden;
      float: left;

      a {
        float: left;
        padding: 0 10px;
        color: #666;
      }
    }

    .money-box {
      float: right;

      .chosed {
        line-height: 26px;
        float: left;
        padding: 0 10px;
      }

      .sumprice {
        width: 200px;
        line-height: 22px;
        float: left;
        padding: 0 10px;

        .summoney {
          color: #c81623;
          font-size: 16px;
        }
      }

      .sumbtn {
        float: right;

        a {
          display: block;
          position: relative;
          width: 96px;
          height: 52px;
          line-height: 52px;
          color: #fff;
          text-align: center;
          font-size: 18px;
          font-family: "Microsoft YaHei";
          background: #e1251b;
          overflow: hidden;
        }
      }
    }
  }
}
</style>